| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 3 | 2 |  | More or Less | BBC Radio 4 | |
| 4 | 6 | B | Boring History for Sleep | Velvet | |
| 5 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | 2 |  | Get Birding | Peanut & Crumb | |
| 7 | 5 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 8 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 7 |  | Curious Cases | BBC Radio 4 | |
| 10 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 11 | 20 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 12 | 1 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 13 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 14 | — |  | Astrum Space | Astrum | |
| 15 | 7 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 16 | 7 |  | Science Weekly | The Guardian | |
| 17 | 9 |  | Discovery | BBC World Service | |
| 18 | 11 |  | Making Sense with Sam Harris | Sam Harris | |
| 19 | 144 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 20 | 8 |  | Science Vs | Spotify Studios | |
| 21 | 2 |  | The world, the universe and us | New Scientist | |
| 22 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 23 | 2 |  | Babbage from The Economist | The Economist | |
| 24 | 6 |  | The Life Scientific | BBC Radio 4 | |
| 25 | 124 |  | All In The Mind | ABC | |
| 26 | 9 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 27 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 28 | 21 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 29 | 1 |  | That UFO Podcast | That UFO Podcast | |
| 30 | 45 |  | The Plodcast | Our Media | |
| 31 | 7 |  | Unexplainable | Vox | |
| 32 | 19 |  | Life Without | BBC Radio 4 | |
| 33 | 93 |  | Ask a Spaceman! | Paul M. Sutter | |
| 34 | 153 |  | Bigfoot Society | Jeremiah Byron | |
| 35 | 18 |  | The Episodic Table of Elements | T. R. Appleton | |
| 36 | 43 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 37 | 20 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 38 | 25 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 39 | 4 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 40 | 12 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 41 | — | O | OxTalks | Chris Oxley | |
| 42 | 21 |  | CrowdScience | BBC World Service | |
| 43 | 4 |  | Почему мы еще живы | libo/libo | |
| 44 | 38 | N | Naturefile | RTÉ lyric fm | |
| 45 | — | S | Stream Full Audiobook in Science & Technology, Psychology & The Mind | hotaudiobook.com | |
| 46 | 19 |  | Mysterious Universe | 8th Kind | |
| 47 | — |  | Unbiased Science | @unbiasedscipod | |
| 48 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 49 | — |  | Chemistry Made Simple | Matthew Macariou | |
| 50 | 112 |  | The Michael Shermer Show | Michael Shermer | |
| 51 | 22 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 52 | — |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 53 | — |  | Lost Women of Science | Lost Women of Science | |
| 54 | — | A | Analytically Speaking | LCGC & Spectroscopy | |
| 55 | 45 | C | Chris Skinner's Countryside Podcast | SOUNDYARD | |
| 56 | 37 |  | Scotland Outdoors | BBC Radio Scotland | |
| 57 | 17 |  | The Psychology Podcast | iHeartPodcasts | |
| 58 | 13 |  | Unexpected Elements | BBC World Service | |
| 59 | 7 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 60 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 61 | 116 |  | ExtinctZoo | ExtinctZoo | |
| 62 | 30 |  | Short Wave | NPR | |
| 63 | 75 |  | Accidental Gods | Accidental Gods | |
| 64 | 27 |  | Science Friday | Science Friday and WNYC Studios | |
| 65 | 19 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 66 | 30 |  | Safe to Drink | NHPR | |
| 67 | 24 | S | Sustainability for Sinners | Chris O'Connor | |
| 68 | 99 | P | Pharma Conversations Podcast | Pharma Conversations Podcast | |
| 69 | 28 |  | Overheard at National Geographic | National Geographic | |
| 70 | 36 |  | Universe Today Podcast | Fraser Cain | |
| 71 | 38 |  | Instant Genius | Our Media | |
| 72 | 16 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 73 | 29 | B | Before Us | Erich Fisher and Helen Farr | |
| 74 | — |  | The Science of Coffee | James Harper | |
| 75 | 29 | E | Ecolution | RTÉ Kids | |
| 76 | 11 |  | The Common Descent Podcast | Common Descent | |
| 77 | 39 | C | CountryWide | RTÉ Radio 1 | |
| 78 | — |  | Голый землекоп | libo/libo | |
| 79 | 31 | T | The Science of Psychotherapy | Dahlitz Media | |
| 80 | — |  | Sea Change | WWNO & WRKF | |
| 81 | — | I | Influence Psychology and Persuasion - Mike Sweet - 10 Minute Coach - Develop and Discover | Mike Sweet | |
| 82 | 32 |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 83 | 31 | V | Vita eterna. Risposte dalla scienza - Italiano | Dottor Manuel Sans Segarra | Manuel Sans Segarra - Italiano | |
| 84 | — | C | Carnets de santé | France Culture | |
| 85 | 14 | I | In Your Nature | By BirdWatch Ireland | |
| 86 | 39 |  | Planet Em | Emily McDonald | |
| 87 | 33 |  | SEA: Space Exploration & Astronomy | SEA | |
| 88 | 30 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 89 | 7 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 90 | 35 |  | The Quanta Podcast | Quanta Magazine | |
| 91 | 49 | T | The Artificial Human | BBC Radio 4 | |
| 92 | 7 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 93 | 77 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 94 | 92 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 95 | 23 | N | Nature Magic | Mary Bermingham | |
| 96 | 28 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 97 | 36 |  | Naturebang | BBC Radio 4 | |
| 98 | 20 |  | Nature Podcast | Springer Nature Limited | |
| 99 | 19 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 100 | 30 |  | Google DeepMind: The Podcast | Hannah Fry | |
